INSTRUCTION MANUAL■PART IDENTIFICATION & SETUP

excessive forces on instrument when in use or transport.

● Avoid direct sunlight or areas with high temperatures or high levels of dust.

Keep in location where temperate and humidity are stable.
● Keep lens surface clean from dirt and fingerprints.
● Clean the lens gently with lens cloth or soft cotton cloth.
● Do not turn the left and right Zoom Controls in opposite directions; this will
damage the instrument.
● When not in use store with protective cover, in location that has low moisturein order to prevent internal mold growth.
● Adjust the Light Power Dial to adjust the brightness of the epi­illuminatorfor
reflected light.
When first turned on, rotate the dial to check that the power to the light is on.
● Lighting unit not certified for use outside of Japan.

■SPECIFICATIONS
６.５～４５× (for 10× eyepiece）
１３～９０× （for 20× eyepiece）
Objective Lens
０.６５～４.５× （Zoom Ratio 1:7）
Eyepiece Lens
ＷＦ１０× （FOV = ２０㎜）・ＷＦ２０× （FOV = １０㎜）
Working Distance
９５㎜
Eyepiece Angle
４５°Focus Adjustment
Movable Body
Stand
Rack and Pinion TypeStage Plate
φ９５㎜×２pcs ① Ground Glass ② black/white (plastic)
Eye Width Adj. Range
５５～７５㎜
Diopter Adj. Range±５diopter
Epi-illuminator: ６Ｖ・１５Ｗ Halogen bulb
Illumination
Voltage: AC100V
Transmitted: ５Ｗ ring lightBase
Ｌ２４５×Ｗ１９０×Ｈ６０㎜
Weight～５.７㎏
Magnification

Diopter Adj.
Ring
※ RearZoom Control

Fuse

Focus knob
HeadStage Plate
Stage Clip

Upper Light(Epi-Illuminator)

Light Power Control
Base60mm● This is a precision instrument ‒ Handle With Care. Use caution to avoid shock orSleeve

350～470mm （Range）■NOTESAC Power Input

Eyepiece

STEREO ZOOMMICROSCOPE XTS2021

Thank you for purchasing the NSK Stereo Zoom Microscope.
Please read this instruction manual thoroughly before use to insure proper operationand long service.

Eye Cup

Lower Light

Lower LightPower Sw.

(Transmitted)

190mm

mm

245

■OPERATION① Place the sample in the center of the Stage Plate
SAMPLE
PLACEMENT ② If required, use Stage Clips to hold sample in place.

EYE CUP
USE● For use without eyeglasses：Hold Eyepiece and rotate the Diopter Adjustment Ring to adjust diopter
setting. Align the Eye cups to point toward user and look through the Eyepiece with eyes brought close.
● For use with eyeglasses：Remove Eye cups to use.

EYE WIDTH Hold both sleeves in each hand and look through the Eyepieces. Adjust the Sleeves toADJ.
align the left and right field of view seen through the Eyepieces.
① Rotate the Zoom Control for highest magnification.
FOCUS &② Look through the right eyepiece with the right eye and adjust the focus using the Focus Knob.
DIOPTER
ADJUSTMENT ③ Rotate the Zoom Knob for lowest magnification.
④ Using the Right Diopter adjustment, adjust the focus if required.
⑤ Now rotate the Zoom Control back to highest magnification and check the focus.
Repeat steps ② ～ ④ to achieve the best focus accuracy.
⑥ Rotate the Zoom Control for highest magnification. Look through the left Eyepiece withthe left eye, and adjust focus using the Left Diopter Adjustment Ring.

In case of fuse failure, it can be replaced with aFUSE
REPLACEMENT commercially available 250V 2A fuse.

Niigata Seiki Co., Ltd.
5-3-14, Tsukanome, Sanjo, Niigata, Japan, 955-0055+81-256-33-5522 FAX : +81-256-33-5518

MAIL: intl.sales@niigataseiki.co.jp
URL: http://www.niigataseiki.co.jp

I88-K11404